Oh don't we wish! Li there are several Ideas (feature requests) in the Ideas section dealing with this issue. Go there, search & vote them up.
No. At TCC12, I spoke with a handful of developers on this topic and they all indicated that Style Sheets and Templates have gotten pushed back in favor of other, more pressing, items. The good news is that these features are being considered when starting on each major release over the past few years and the more the user base votes for these ideas, the more likely we will see them implemented.
Check below links.
1. Copy and Paste of formatting between worksheets.
2. Create bookmark template and use that to copy format to your worksheet.